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Something one does to get elected captain of a high school cross country team. The act is very naughty and obscene. The person who puts it in the gas tank usually denies the allegation or asks what it "puts it in the gas tank" even means.
Flynners puts it in the gas tank, so does his running friend N.O.
5👍 2👎
A penis the size of a hugeee gas tank
also called just "GTP"
Joe: H000LY SH111T!!one1!! this porn is like soo good!
Dan: L0L. dat nigga has that GTP. all day, for life.
Desmond: GTP?!?
Dan + Joe: GAS TANK PENIS
5👍 4👎
To urinate in a sexual partner's anus.
Person A: I went home with that girl last night.
Person B: Did you "fill the gas tank"?
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After eating a bean burrito and while performing the Dirty Gas Pump, let your anus explode a steaming load on the persons face.
Last night I gave Erica the Exploding Gas Tank
3👍 5👎
When you cum in someone’s asshole.
“How’d it go with that girl last night?”
“It was great man, she let me pour sugar in the gas tank and everything!”
5👍 21👎
To ejaculate massive ammounts of semen into a vagina or anus. This practice can only be accomplished in the absence of condoms or any other contraceptive that prevents the exchange of fluids. A vagina that has been habitually been topped off runs the risk of becomming garbage pussy.
Bend over whore, Im gonna top off your gas tank with pure, unadulterated eastern Kentucky baby slime.
I love nothing more than topping off gas tanks.
Condoms? I would never take a shower in a raincoat, why would I wear condoms? I am going to top off your gas tank.
I am going to top off your gas tank, and then I will be in you forever.
20👍 10👎
The art of having anal sex with a female, and while she isn’t looking you pee in her butthole to save you a trip to the bathroom.
Chad: Dude my girlfriend broke up with me because she was shitting piss for days after I gave her the good ol’ Gas tank fill-up
13👍 7👎